1640377557

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{286129}}^1$

素因数の和:286162

約数の個数: 36

約数和(自身を含む): 2968312620

約数和(自身を除く): 1327935063

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 5733, 286129, 858387, 2002903, 2575161, 3719677, 6008709, 11159031, 14020321, 18026127, 26037739, 33477093, 42060963, 78113217, 126182889, 182264173, 234339651, 546792519, 1640377557]

約数ペア:

[(1, 1640377557), (3, 546792519), (7, 234339651), (9, 182264173), (13, 126182889), (21, 78113217), (39, 42060963), (49, 33477093), (63, 26037739), (91, 18026127), (117, 14020321), (147, 11159031), (273, 6008709), (441, 3719677), (637, 2575161), (819, 2002903), (1911, 858387), (5733, 286129)]